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<title>Struct template weighted_tail_variate_means_impl</title>
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<a name="doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle">Struct template weighted_tail_variate_means_impl</span></h2>
<p>boost::accumulators::impl::weighted_tail_variate_means_impl — Estimation of the absolute and relative weighted tail variate means (for both left and right tails) </p>
</div>
<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../accumulators/reference.html#doxygen.statistics_library_reference.statistics__fwd_8hpp" title="Header &lt;boost/accumulators/statistics_fwd.hpp&gt;">boost/accumulators/statistics_fwd.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Sample<span class="special">,</span> <span class="keyword">typename</span> Weight<span class="special">,</span> <span class="keyword">typename</span> Impl<span class="special">,</span> <span class="keyword">typename</span> LeftRight<span class="special">,</span> 
         <span class="keyword">typename</span> VariateType<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl.html" title="Struct template weighted_tail_variate_means_impl">weighted_tail_variate_means_impl</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">accumulator_base</span> <span class="special">{</span>

  <span class="comment">// <a class="link" href="structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl.html#id-1_3_2_6_3_59_1_1_22_52_5-bb">public member functions</a></span>
  <a class="link" href="structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl.html#doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl_1aac4da35fe768743eae0f1a7449c42da9"><span class="identifier">weighted_tail_variate_means_impl</span></a><span class="special">(</span><span class="identifier">dont_care</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Args<span class="special">&gt;</span> <span class="identifier">result_type</span> <a class="link" href="structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl.html#doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl_1a6b435cca844accf3fb8f95d62a665771"><span class="identifier">result</span></a><span class="special">(</span><span class="identifier">Args</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Archive<span class="special">&gt;</span> <span class="keyword">void</span> <a class="link" href="structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl.html#doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl_1a965d956429a377330e08927dd61246ff"><span class="identifier">serialize</span></a><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="keyword">unsigned</span> <span class="keyword">int</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.2.6.3.57.56.4"></a><h2>Description</h2>
<p>For all <span class="inlinemediaobject"><img src="../../images/accumulators//form_9.png"></span>-th variates associated to the</p>
<div class="equation">
<a name="id-1.3.2.6.3.57.56.4.3.1"></a><p class="title"><b>Equation 1.43. </b></p>
<div class="equation-contents"><div class="mediaobject" align="center"><img src="../../images/accumulators//form_10.png" align="middle"></div></div>
</div>
<p><br class="equation-break"></p>
<p>smallest samples (left tail) or the weighted mean of the</p>
<div class="equation">
<a name="id-1.3.2.6.3.57.56.4.5.1"></a><p class="title"><b>Equation 1.44. </b></p>
<div class="equation-contents"><div class="mediaobject" align="center"><img src="../../images/accumulators//form_11.png" align="middle"></div></div>
</div>
<p><br class="equation-break"></p>
<p>largest samples (right tail), the absolute weighted tail means <span class="inlinemediaobject"><img src="../../images/accumulators//form_12.png"></span> are computed and returned as an iterator range. Alternatively, the relative weighted tail means <span class="inlinemediaobject"><img src="../../images/accumulators//form_13.png"></span> are returned, which are the absolute weighted tail means normalized with the weighted (non-coherent) sample tail mean <span class="inlinemediaobject"><img src="../../images/accumulators//form_14.png"></span>.</p>
<div class="equation">
<a name="id-1.3.2.6.3.57.56.4.7.1"></a><p class="title"><b>Equation 1.45. </b></p>
<div class="equation-contents"><div class="mediaobject" align="center"><img src="../../images/accumulators//form_15.png" align="middle"></div></div>
</div>
<p><br class="equation-break"></p>
<div class="equation">
<a name="id-1.3.2.6.3.57.56.4.8.1"></a><p class="title"><b>Equation 1.46. </b></p>
<div class="equation-contents"><div class="mediaobject" align="center"><img src="../../images/accumulators//form_16.png" align="middle"></div></div>
</div>
<p><br class="equation-break"></p>
<div class="equation">
<a name="id-1.3.2.6.3.57.56.4.9.1"></a><p class="title"><b>Equation 1.47. </b></p>
<div class="equation-contents"><div class="mediaobject" align="center"><img src="../../images/accumulators//form_17.png" align="middle"></div></div>
</div>
<p><br class="equation-break"></p>
<div class="equation">
<a name="id-1.3.2.6.3.57.56.4.10.1"></a><p class="title"><b>Equation 1.48. </b></p>
<div class="equation-contents"><div class="mediaobject" align="center"><img src="../../images/accumulators//form_18.png" align="middle"></div></div>
</div>
<p><br class="equation-break"> </p>
<div class="refsect2">
<a name="id-1.3.2.6.3.57.56.4.11"></a><h3>
<a name="id-1_3_2_6_3_59_1_1_22_52_5-bb"></a><code class="computeroutput">weighted_tail_variate_means_impl</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem"><pre class="literallayout"><a name="doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl_1aac4da35fe768743eae0f1a7449c42da9"></a><span class="identifier">weighted_tail_variate_means_impl</span><span class="special">(</span><span class="identifier">dont_care</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Args<span class="special">&gt;</span> <span class="identifier">result_type</span> <a name="doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl_1a6b435cca844accf3fb8f95d62a665771"></a><span class="identifier">result</span><span class="special">(</span><span class="identifier">Args</span> <span class="keyword">const</span> <span class="special">&amp;</span> args<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Archive<span class="special">&gt;</span> 
  <span class="keyword">void</span> <a name="doxygen.statistics_library_reference.structboost_1_1accumulators_1_1impl_1_1weighted__tail__variate__means__impl_1a965d956429a377330e08927dd61246ff"></a><span class="identifier">serialize</span><span class="special">(</span><span class="identifier">Archive</span> <span class="special">&amp;</span> ar<span class="special">,</span> <span class="keyword">const</span> <span class="keyword">unsigned</span> <span class="keyword">int</span> file_version<span class="special">)</span><span class="special">;</span></pre></li>
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<div class="copyright-footer">Copyright © 2005, 2006 Eric Niebler<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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